1. qhov cua
Concave qhov tshwm hauvpuabcov khoom lag luam, uas yog feem ntau tshwm sim los ntawm ntsws thaum lub sijhawm txias cov txheej txheem ntawm cov khoom lag luam hauv pwm. Ntxiv rau qhov uas yuav tsum tau hais tias cov khoom siv yuav tsum sau cov pwm kab noj hniav, cua txias kuj tseem tsim nyog. Tshwj xeeb, nws yog txhawm rau txhim kho qhov tuav lub siab (lub siab thib ob) thiab txo qhov ntsuas kub ntawm cov cob thiab cov pwm. Tsis tas li ntawd, nws tseem muaj kev cia siab rau cov khoom ntawm cov khoom moulded. Vim tias cov qhov tso pa tau yooj yim kom pom nyob hauv qhov chaw tuab, rau cov khoom lag luam, qauv tsim qauv yuav tsum tau saws, nyob rau hauv uas muaj cov kua nplaum txuas ntsaws lossis kua nplaum ntws ncig ntawm lawv.
2. Cov npoo sawv
Qhov no yog tshwm sim los ntawm cov xaum hla dhau los ntawm cov pwm kab noj hniav. Rau kev txhaj tshuaj molding ntawm roj hmab, burr yog li qub, tab sis nws yog qhov txawv txav rau cov roj lossis thermoplastic elastomer TPE. Cov laj thawj muaj raws li hauv qab no: (1) Piv nrog cov roj hmab sib xyaw, cov roj nplua nyeem roj los yog thermoplastic elastomer muaj cov tshuaj ua haujlwm ntau dua thiab qis dua kev txhaj tshuaj; (2) sib tiv tauj nrog tus pwm, txias, kho thiab nres ntws hauv qhov tseem ceeb. Yog li ntawd, cov khoom siv roj hmab lossis cov thermoplastic elastomer feem ntau tsis muaj burrs. Raws li kev ntsuas tus kheej, ua ntej ntawm txhua yam, nws yog qhov tsim nyog los txo cov roj sau, qhov siab tuav thiab lub sijhawm tuav.
Ntxiv rau, nws yog qhov yuav tsum tau los kho cov tuag nrog qhov tsis zoo thiab qhov dav ntawm qhov chaw. Thaum qhov kev ntsuas thaj tsam ntawm cov khoom lag luam moulded loj thiab lub zog clamping tseem qis dua qhov kev txhaj tshuaj siab, burrs qee zaum tshwm sim, yog li lub tshuab loj moulding yuav tsum tau siv.
3. Flow cim
Cov kab txaij nrog cov kab sib txawv tshwm sim nyob rau saum npoo ntawm cov khoom lag luam pwm. Feem ntau hais lus, nyob rau hauv kev txhaj tshuaj molding ntawm cob, muaj: (1) nqaim kaw cov kab txaij; (2) Cov kab txuas dav dav ntawm tib theem tshwm sim thiab nqis rau saum npoo ntawm cov khoom pwm; (3) Muaj peb hom kab sib txawv me me kab sib chaws nrog ectopic theem tshwm sim thiab nqis rau saum npoo ntawm cov khoom lag luam pwm. Cov hau kev no tuaj yeem siv los daws cov teeb meem no, xws li nce kev txhaj tshuaj nrawm nrawm, pwm kub, nthuav dav chaw nres nkoj txhaj tshuaj, nce siab kub thiab txhaj tshuaj nrawm dua, nce molding kub, pwm kub lossis txo qis kev txhaj tshuaj. Nws ua tau zoo los nce qhov kev txhaj tshuaj nrawm thiab pwm kub.
4. Cov neeg pluag tsis zoo
Kev tiv thaiv tsis zoo txhais tau tias cov khoom lag luam molded yog qhov nyuaj rau tawm hauv cov pwm los yog ua tiav txhua yam thaum rho tawm. Cov ntaub nplaum lo tau yooj yim tuaj yeem tsim qhov teeb meem no, tab sis nws tuaj yeem txhim kho ntxiv los ntawm kev ntxiv cov pwm tso tawm rau hauv cov ntaub ntawv lossis txheej txheej pwm tso tus neeg saib xyuas ua ntej ua haujlwm. Xws li cov teeb meem yooj yim tshwm sim thaum cov khoom lag luam molded nyob rau hauv-txias (tsis kho), yog li nws tsim nyog txaus kom txias cov khoom lag luam molded. Tsis tas li ntawd, kev tsim pwm tsis tsim nyog kuj tseem yuav dhau los ua qhov laj thawj tsis yooj yim, tshwj xeeb tshaj yog nyob rau qee qhov chaw yooj yim txhawm rau txhawm rau pwm, xws li chaw nres nkoj txhaj thiab kem dej txhaj. Nws yog qhov ua tau zoo los txhawm rau rub tawm-lub kaum sab xis ntawm qhov chaw txhaj tshuaj thiab nthuav dav txoj kev txhaj tshuaj.
5.Txwv nyiaj kab txaij
Qhov tshwm sim ntawm cov kab txaij radial nrog cov kua nplaum txhaj tshuaj ua qhov chaw yog qhov chaw nruab nrab los ntawm kev vaporization ntawm ya raws lossis nrov nrov hauv cov khoom siv. Ntawm lawv, huab cua koom nrog cov txheej txheem ua kev yas dhau los lossis sab laug hauv pwm yuav tseem coj qhov xwm txheej no. Yog li, nws yog qhov tsim nyog yuav tsum tau ua kom tiav cov khoom siv noo noo-nqus ua ntej molding thiab txo qhov kub ntawm molding ntawm cov ntaub ntawv uas yooj yim los ua cov roj cua tsis zoo.
6. Tsis muaj kua nplaum
Qhov tshwm sim ntawm qhov tsis puv qhov kawg ntawm cov pwm kab noj hniav hu ua tsis muaj kua nplaum. Qhov no feem ntau yog ua los ntawm cov pwm tsis haum, xws li tsis txaus sau tus nqi, tab sis qhov tshwm sim no kuj tuaj yeem tshwm sim los ntawm cov pa roj av lossis tsis txaus khiav (khiav tawm pwm ntau) thaum molding.
7. Kev Hlawv
Nws txhais tau hais tias cov seem tsis tau sau mus rau qhov kawg thiab tsis puv nrog cov pwm kab noj hniav muaj hnub nyoog xws li hlawv. Qhov no feem ntau yog ua los ntawm cov pa hluav taws xob tsis txaus, cua sov rwb thaiv tsev compression los ntawm huab cua los yog cov roj tsim tawm, thiab qhov kub ntxhov sai tau nce ntau (piv txwv li, kev laus ua kom sov nyob saum npoo ntawm cov khoom lag luam tuaj pwm). Txhim kho cov pa tso tawm hom yog cov tshuaj zoo dua, thiab txo qhov kev txhaj tshuaj nrawm kuj tseem tuaj yeem daws teeb meem thaum lub teeb pom.
8. Tsis muaj xim txawv
Thaum cov thermoplastic elastomer TPE hais thiab cov sib xyaw qhuav tau siv los ua niam txiv sib xyaw ntawm cov xim muaj rau xim, qhov tshwm sim ntawm cov xim tsis sib xws ntawm cov khoom pwm yog yooj yim tshwm sim. Raws li qhov kev ntsuas tawm, nws yog qhov ua tau zoo los txhim kho lub nraub qaum rov qab ntawm cov ntsia hlau thiab ntxiv dag zog rau kev sib xyaw ntawm cov muab tub lim.
Cov teeb meem nyob rau hauv cov khoom lag luam tiag tiag ntawm tus qauv ntawm cov kev daws teeb meem sai heev hloov ntawm qhov teeb meem tsis tshua muaj teeb meem (kub pwm tsis haum) mus rau qhov ntsuas nyuaj. Tshwj xeeb rau cov teeb meem tshwm sim los ntawm cov teeb meem cuam tshuam, yog tias peb xav kom daws tau sai li sai tau, peb yuav tsum xub sau cov ntaub ntawv cuam tshuam kom raug. Raws li tau qhia hauv lub rooj, txawm hais tias qhov saum npoo yog ntxhib, txhawm rau kom paub nws cov laj thawj tseeb, nws yuav tsum paub qhov xwm txheej cuam tshuam.
